/**
* Save the first image result from Google.
*
* @param string $query Search query
* @param int $height Resize height
* @param int $width Resize width
* @param string $path Path to store the image (will use temp as default)
*
* @return System\Models\File|void Created file object
*/
public static function search($query, $height = 300, $width = 300, $path = null)
{
// Prepare the query
$query = urlencode($query);
// Prepare path
$path = $path ?: tempnam(sys_get_temp_dir(), 'image');
// Use Google Image
$results = file_get_contents('https://ajax.googleapis.com/ajax/services/search/images?v=1.0&q=' . $query);
if ($results && ($json = json_decode($results, true))) {
foreach ($json['responseData']['results'] as $image) {
if (isset($image['url'])) {
// Retrive the image
$url = $image['url'];
$content = @file_get_contents($url);
if (!$content) {
break;
}
// Save the image
$file_path = $path . basename($url);
file_put_contents($file_path, $content);
// Resize
Resizer::open($file_path)->resize($height, $width)->save($file_path, 100);
// Create File object
$file = new File();
$file->data = $file_path;
$file->save();
return $file;
}
}
}
}
/**
* Tworzy miniaturke i zwraca do niej ścieżkę
* @param string $file ścieżka do pliku
* @param array $options szerokość, wysokość, tryb
* @return string
*/
public function thumbnail($file, array $options = array())
{
$public_path = \App::publicPath();
if (is_file($public_path . $file)) {
$fileinfo = pathinfo($file);
$imagesize = getimagesize($public_path . $file);
$width = isset($options[0]) ? $options[0] : null;
$height = isset($options[1]) ? $options[1] : null;
$mode = isset($options[2]) ? $options[2] : 'landscape';
$offset = isset($options[3]) ? $options[3] : [0, 0];
$thumb = $fileinfo['dirname'] . '/thumb_' . $fileinfo['filename'] . '_' . $width . 'x' . $height . '_' . $mode . '.' . $fileinfo['extension'];
if (file_exists($public_path . $thumb) && !filemtime($public_path . $thumb) <= filemtime($public_path . $file)) {
$file = $thumb;
} elseif ($imagesize[0] != $width && ($resizer = Resizer::open($public_path . $file)->resize($width, $height, $mode, $offset))) {
$resizer->save($public_path . $thumb);
$file = $thumb;
}
}
return $file;
}
protected function cropImage($imageSrcPath, $selectionData, $cropSessionKey, $path)
{
$originalFileName = basename($path);
$path = rtrim(dirname($path), '/') . '/';
$fileName = basename($imageSrcPath);
if (strpos($fileName, '..') !== false || strpos($fileName, '/') !== false || strpos($fileName, '\\') !== false) {
throw new SystemException('Invalid image file name.');
}
$selectionParams = ['x', 'y', 'w', 'h'];
foreach ($selectionParams as $paramName) {
if (!array_key_exists($paramName, $selectionData)) {
throw new SystemException('Invalid selection data.');
}
if (!ctype_digit($selectionData[$paramName])) {
throw new SystemException('Invalid selection data.');
}
}
$sessionDirectoryPath = $this->getCropSessionDirPath($cropSessionKey);
$fullSessionDirectoryPath = temp_path($sessionDirectoryPath);
if (!File::isDirectory($fullSessionDirectoryPath)) {
throw new SystemException('The image editing session is not found.');
}
/*
* Find the image on the disk and resize it
*/
$imagePath = $fullSessionDirectoryPath . '/' . $fileName;
if (!File::isFile($imagePath)) {
throw new SystemException('The image is not found on the disk.');
}
$extension = pathinfo($originalFileName, PATHINFO_EXTENSION);
$targetImageName = basename($originalFileName, '.' . $extension) . '-' . $selectionData['x'] . '-' . $selectionData['y'] . '-' . $selectionData['w'] . '-' . $selectionData['h'] . '-';
$targetImageName .= time();
$targetImageName .= '.' . $extension;
$targetTmpPath = $fullSessionDirectoryPath . '/' . $targetImageName;
/*
* Crop the image, otherwise copy original to target destination.
*/
if ($selectionData['w'] == 0 || $selectionData['h'] == 0) {
File::copy($imagePath, $targetTmpPath);
} else {
$resizer = Resizer::open($imagePath);
$resizer->resample($selectionData['x'], $selectionData['y'], $selectionData['w'], $selectionData['h'], $selectionData['w'], $selectionData['h']);
$resizer->save($targetTmpPath, 95);
}
/*
* Upload the cropped file to the Library
*/
$targetFolder = $path . 'cropped-images';
$targetPath = $targetFolder . '/' . $targetImageName;
$library = MediaLibrary::instance();
$library->put($targetPath, file_get_contents($targetTmpPath));
return ['publicUrl' => $library->getPathUrl($targetPath), 'documentType' => MediaLibraryItem::FILE_TYPE_IMAGE, 'itemType' => MediaLibraryItem::TYPE_FILE, 'path' => $targetPath, 'title' => $targetImageName, 'folder' => $targetFolder];
}
/**
* Generates and returns a thumbnail path.
*/
public function getThumb($width, $height, $options = [])
{
if (!$this->isImage()) {
return $this->getPath();
}
$width = (int) $width;
$height = (int) $height;
$defaultOptions = ['extension' => 'png', 'quality' => 95, 'mode' => 'auto'];
if (!is_array($options)) {
$options = ['mode' => $options];
}
$options = array_merge($defaultOptions, $options);
$thumbExt = strtolower($options['extension']);
$thumbMode = strtolower($options['mode']);
$thumbFile = 'thumb_' . $this->id . '_' . $width . 'x' . $height . '_' . $thumbMode . '.' . $thumbExt;
$thumbPath = $this->getStorageDirectory() . $this->getPartitionDirectory() . $thumbFile;
$thumbPublic = $this->getPublicDirectory() . $this->getPartitionDirectory() . $thumbFile;
if ($this->hasFile($thumbFile)) {
return $thumbPublic;
}
/*
* Generate thumbnail
*/
$resizer = Resizer::open($this->getDiskPath());
$resizer->resize($width, $height, $options['mode']);
$resizer->save($thumbPath, $options['quality']);
return $thumbPublic;
}
/**
* Generate the thumbnail based on a remote storage engine.
*/
protected function makeThumbStorage($thumbFile, $thumbPath, $width, $height, $options)
{
$tempFile = $this->getLocalTempPath();
$tempThumb = $this->getLocalTempPath($thumbFile);
/*
* Handle a broken source image
*/
if (!$this->hasFile($this->disk_name)) {
BrokenImage::copyTo($tempThumb);
} else {
$this->copyStorageToLocal($this->getDiskPath(), $tempFile);
$resizer = Resizer::open($tempFile);
$resizer->resize($width, $height, $options['mode'], $options['offset']);
$resizer->save($tempThumb, $options['quality']);
FileHelper::delete($tempFile);
}
/*
* Publish to storage and clean up
*/
$this->copyLocalToStorage($tempThumb, $thumbPath);
FileHelper::delete($tempThumb);
}
/**
* Upload Avatar from Base64 encoded image
*
* @param \RainLab\User\Models\User $user
* @param string $source
* string contend of an image on Base64 enconding
*/
public static function uploadAvatarFromString($user, $source)
{
$dst = '/tmp/avatar_' . $user->getKey() . '_' . uniqid();
FileHelper::put($dst, base64_decode($source));
$validImage = true;
try {
// Validated is a JPG or PNG
$imageType = exif_imagetype($dst);
$validImage = in_array($imageType, [IMAGETYPE_JPEG, IMAGETYPE_PNG, IMAGETYPE_GIF]);
// Validated is not bigger that xx by xx
if ($validImage) {
// Test if image is corrupted if OctoberCMS Resizer can open it
// is more likely the image is ok
Resizer::open($dst);
// Test image dimensions
list($width, $height, $type, $attr) = getimagesize($dst);
$validImage = $width <= 400 && $height <= 400;
}
// Add right file extension to the upload file
if ($validImage) {
// Save image with correct image extension
$extension = [IMAGETYPE_JPEG => 'jpg', IMAGETYPE_PNG => 'png', IMAGETYPE_GIF => 'gif'][$imageType];
$newDst = $dst . '.' . $extension;
rename($dst, $newDst);
$dst = $newDst;
}
} catch (\Exception $e) {
$validImage = false;
}
if (!$validImage) {
throw new \Exception('Must be a valid JPG, GIF or PNG. And not bigger that 400x400 pixels.');
}
$file = new File();
$file->data = $dst;
$file->is_public = true;
$file->save();
if ($file) {
$user->avatar()->add($file);
}
}
protected function cropImage($imageSrcPath, $selectionData, $cropSessionKey, $path)
{
$originalFileName = basename($path);
$path = rtrim(dirname($path), '/') . '/';
$fileName = basename($imageSrcPath);
if (strpos($fileName, '..') !== false || strpos($fileName, '/') !== false || strpos($fileName, '\\') !== false) {
throw new SystemException('Invalid image file name.');
}
$selectionParams = ['x', 'y', 'w', 'h'];
foreach ($selectionParams as $paramName) {
if (!array_key_exists($paramName, $selectionData)) {
throw new SystemException('Invalid selection data.');
}
if (!ctype_digit($selectionData[$paramName])) {
throw new SystemException('Invalid selection data.');
}
}
$sessionDirectoryPath = $this->getCropSessionDirPath($cropSessionKey);
$fullSessionDirectoryPath = temp_path($sessionDirectoryPath);
if (!File::isDirectory($fullSessionDirectoryPath)) {
throw new SystemException('The image editing session is not found.');
}
// Find the image on the disk and resize it
$imagePath = $fullSessionDirectoryPath . '/' . $fileName;
if (!File::isFile($imagePath)) {
throw new SystemException('The image is not found on the disk.');
}
$extension = pathinfo($originalFileName, PATHINFO_EXTENSION);
$targetImageName = basename($originalFileName, '.' . $extension) . '-' . $selectionData['x'] . '-' . $selectionData['y'] . '-' . $selectionData['w'] . '-' . $selectionData['h'] . '-';
$targetImageName .= time();
$targetImageName .= '.' . $extension;
$targetTmpPath = $fullSessionDirectoryPath . '/' . $targetImageName;
if ($selectionData['w'] == 0 || $selectionData['h'] == 0) {
// If cropping is not required, copy the oiginal image to the target destination.
File::copy($imagePath, $targetTmpPath);
} else {
$resizer = Resizer::open($imagePath);
$resizer->resample($selectionData['x'], $selectionData['y'], $selectionData['w'], $selectionData['h'], $selectionData['w'], $selectionData['h']);
$resizer->save($targetTmpPath, 95);
}
// Upload the cropped file to the Library
$targetPath = $path . 'cropped-images/' . $targetImageName;
$library = MediaLibrary::instance();
$library->put($targetPath, file_get_contents($targetTmpPath));
return $library->getPathUrl($targetPath);
}
